Available now for Windows, Mac and Linux (all require 64 bit OS).
It contains many fixes and a new handy File->Export-Selected dialog.
A lot of work has been done to make the Mac version compatible with Mojave and Catalina OS.
Download NOW
Also available for AC3D 8.5 is a new X-Plane plugin - see
http://www.inivis.com/forum/showthread.php?t=7032
License upgrades
AC3D will let you know if you need to upgrade your license. Please visit the Upgrade Center to purchase a new discounted license for AC3D: http://www.inivis.com/upgrade.html
Known problems:
All platforms: The File->Object-library menu item is overwritten by "Save <filename>" after a file is saved. A temporary fix is available below (http://www.inivis.com/forum/showpost...6&postcount=11)
Mac: TCE, single view windows may not render correctly on first appearance. They refresh when the mouse enters, and work fine after that. Tools->Hierarchy may also have update problems.